/Engine/Source/Runtime/Engine/Public/Slate/SlateGameResources.h
Example: This: "SlateBrushAsset'/Game/UI/STeamAndHeroSelection/CS_Port_Brush.CS_Port_Brush'" into This: "/Game/UI/STeamAndHeroSelection/CS_Port_Brush"
[FName](API\Runtime\Core\UObject\FName) GetCleanName ( const [FName](API\Runtime\Core\UObject\FName) & AssetName ) const